we'll begin with a crazy week in world affairs, the trump administration accused the obama administration of spying on trump tower. >>> and angela merkel met with president trump, a man who once accused her of ruining germany. how did that go? >>> then, president trump this week slashed budgets for agencies trying to tackle the global warming crisis. our last president obama's secretary, an mit physicist, what he thinks of the energy challenges we now face. >>> also amal clooney is taking on isis, trying to fight the terrorists the best way she knows how, not with a gun or a bomb, but with a legal brief. >> this is a global threat and it deserves a global threat. and it needs a judicial one, not only on the battlefield. >> clooney describes the horrors of isis's crimes and how justice can be served. finally 75 years of world history told through cia maps, through central moscow, to central baghdad. >>> but first, here's my take. we do not yet have the official agenda for next month's meeting at mar-a-lago between donald trump and xi jing pin, but it will begin with a handover. trump seems